package com.tedu.mybatis.mapper;

import com.tedu.mybatis.pojo.Comment;
import com.tedu.mybatis.pojo.CommentVO1;
import com.tedu.mybatis.pojo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {
    /*@Insert("INSERT INTO comment(content,created,user_id,weibo_id) " +
            "VALUES (#{content},#{created},#{user_id},#{weibo_id})")*/
    int insertComment(Comment comment);

    /*@Delete("DELETE FROM comment WHERE id=#{id}")*/
    int deleteCommentById(Integer id);

   /* @Update("UPDATE comment " +
            "SET content=#{content},created=#{created}, " +
            "user_id=#{user_id},weibo_id=#{weibo_id} " +
            "WHERE id=#{id}")*/
    int updateComment(Comment comment);

   /* @Select("SELECT content,user_id " +
            "FROM comment " +
            "WHERE id=#{id}")*/
    CommentVO1 selectCommentById(Integer id);

    /*@Select("SELECT id,content,user_id " +
            "FROM comment " +
            "WHERE user_id=#{id}")*/
    List<CommentVO2> selectCommentVO2ById(Integer user_id);
}
